Scheduling with time clock controls turns lights on and off, sets lighting levels for different times of day and changes the lighting profile for after-hours mode. More sophisticated systems also respond to signals sent from external control devices such as sensors or switches.
Paraffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.araffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.
alkane; alkane series; methane series; paraffin series; paraffin. Hypernyms (paraffin is a kind of...): aliphatic compound (organic compound that is an alkane or alkene or alkyne or their derivative) Hyponyms (each of the following is a kind of paraffin): butane (occurs in natural gas; used in the manufacture of rubber and fuels)